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Chevrolet
Silverado 3500
10

Check Engine Light Due to Gas Cap Issue on Chevrolet Silverado 3500

Problem Description and Possible Solution

Illumination of the Check Engine Light can be caused by a loose or worn gas cap.

Problem Data
RepairPal Verified
Average mileage: 7,700 (5,400–10,000)
Exhaust & Emissions affected: Gasoline
7 model years affected: 2001, 2002, 2003, 2004, more2005, 2006, 2007
10 people reported this problem
Comments
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Was told by Chevy dealer my gas cap set off engine lite.
tighten gass cap after fueling